Changes

Hand auger - driven wells

1 byte added, 05:10, 27 April 2012
no edit summary
{{stub}}
[[Image:Treadle_pump_icon.png|right]]
[[Image:Driven point Point and hammering toolwell screen.jpg|thumb|right|300px| Driven point Point and hammering toolwell screen]]
__NOTOC__
[[Image:Self made point and well screen.jpg|thumb|right|300px| Self made point and well screen]]
[[Image:Point and well screen.jpg|thumb|right|300px| Point and well screen]]
==Construction, operations and maintenance==
[[Image:Driven point and hammering tool.jpg|thumb|right|300px| Driven point and hammering tool]]
 
Driven wells are sometimes used in combination with augers in collapsing sand layers. If augers cannot penetrate further into a collapsing sand layer, and a temporary casing cannot be used (for example, the casing is stuck in a clay layer, see description above), a well point and well screen can be driven into the ground using a hammering tool or normal hammer.
Akvopedia-spade, akvouser, bureaucrat, emailconfirmed, staff, susana-working-group-1, susana-working-group-10, susana-working-group-11, susana-working-group-12, susana-working-group-2, susana-working-group-3, susana-working-group-4, susana-working-group-5, susana-working-group-6, susana-working-group-7, susana-working-group-8, susana-working-group-9, susana-working-group-susana-member, administrator, widget editor
30,949
edits